Aggregation and Adsorption Properties of Tetramethylsulfonatoresorcinarenes and their Associates with Nonionogenic Guest Molecules in Aqueous Solutions |
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| Authors: | Julia E Morozova Ella Kh Kazakova Eduard Ph Gubanov Nelly A Makarova Victor P Archipov Tatjana V Timoshina Zaymil Sh Idijatullin Wolf D Habicher Alexander I Konovalov |
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| Institution: | (1) A.E. Arbizov Institute of Organic and Physical Chemistry RAS, Arbuzova Street 8, 420088 Kazan, Russia;(2) S.M. Kirov Kazan State Technological University, K. Marks Street 68, 420015 Kazan, Russia;(3) Technical University of Dresden, Momsenstrasse 13, D-01062 Dresden, Germany |
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| Abstract: | Present paper reports on tensiometric studies of tetramethylsulfonatoresorcinarenes 1 and 2 with nonionogenic guests 3 and 4, pyrimidin derivative and O,O-dymethyl-1,1-dimethyl-3-oxobutylphosphonate, respectively. Association of resorcinarenes with these guests leads to dramatic change of adsorption characteristics of their solutions. CCMs1 of associates (1&3, 1&4, 2&3, and 2&4) are lower and the estimated surface activity, as well as the height of adsorption layers are higher than for individual substances. Aggregation of compounds 1–4 and association of 1 with 3 and 4 in solution were confirmed by 1H NMR spectra and studied by diffusion NMR with impulse magnetic field gradient. |
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| Keywords: | adsorption aggregation diffusion amphiphils host– guest complexes resorcinarenes surface tension |
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